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Key Technical Points for Spring Management of Apricot Trees in Greenhouses
In winter-warm greenhouses, the fruit development period of apricot trees runs from mid-February to the end of April. This period is divided into three main developmental stages. The first stage is the first rapid growth period of the apricot tree and the new shoot growth period, lasting 28-34 days; the second stage is the pit-hardening period, lasting 8-12 days; the third stage is the apricot
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How to Fertilize a Lemon Tree Correctly During the Fruiting Period
Everyone is surely very familiar with lemons, especially for some female friends it is something all too familiar; in summer, soaking lemons and honey in water to drink can have a beauty and skin-nourishing effect, so in summer lemon water is an essential drink for beauty-loving women. How
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Detailed Explanation of Technical Requirements for Harvesting Fresh Lemons
1. Harvesting of spring flower fruit begins around October 1. 2. Do not irrigate the orchard within 5 days before harvest, do not apply nitrogen fertilizer for 20 days, and do not apply pesticides for 30 days, to ensure that lemons are harvested outside the safe interval period. 3. Do not harvest on overcast or rainy days, in dense fog, or in the morning before the dew has dried. 4. Harvesting
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Lemon pruning should be done carefully; mastering the method is very important
If lemon is pruned improperly, it often only blooms without setting fruit, or sets few fruit, or even fails to bloom at all. To make lemon bloom and fruit year after year, the pruning step must be done carefully in order to achieve the goal of abundant fruit. The main purpose of pruning young trees and trees that have just begun to bear fruit is to build the crown skeleton
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How are pests and diseases prevented and controlled during lemon cultivation?
The main fungal diseases of lemon fruit during storage are: black rot, sour rot, stem-end rot, blue and green mold, and anthracnose; the main physiological diseases are: dry scar and edema. (1) Stem-end rot: divided into brown stem-end rot and black stem-end rot, their symptoms are similar, but brown stem-end rot
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Key Technical Points for Spring and Summer Field Management of Navel Orange Orchards
Spring comes early in southern Jiangxi, warm and rainy. From March to June, navel oranges are in the phenological stages of spring shoot growth, flowering and fruit set, and the first and second physiological fruit drop. This is also the dangerous period when more than 10 kinds of pests and diseases, such as citrus flower bud midge, mites, scale insects, tortrix moths, longhorn beetles, anthracnose, resin disease, and canker, rapidly multiply, spread, and proliferate.
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Proper flower and fruit management during longan cultivation
1) Releasing bees for pollination. Longan is a dichogamous insect- and wind-pollinated flower, mainly pollinated by insects. Bees are most active within a radius of 250 m, so bee colonies are best kept dispersed throughout the orchard. For every 0.46-0.53 sq km of longan orchard, one bee colony (8-10 hives) should be provided.
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What are the control methods for Hydrangea ringspot virus?
[Distribution and Damage] Hydrangea (Hydrangea macrophylla), also known as bigleaf hydrangea, is a deciduous shrub planted throughout China. Viral infections are relatively common, with ringspot being the most frequent. It is generally latent; severely affected plants become stunted, with few or no flowers. [Symptoms] Leaves become crinkled,
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Hydrangea Planting and Cultivation Experience Summary and Tips Sharing
1. Planting: In southern regions, it can be planted in the ground and overwinter outdoors; planting should be done before spring bud break. In northern regions, it should be grown in pots and overwintered indoors; planting or repotting can be done from after leaf drop until before spring bud break the following year. For the potting soil, use a thoroughly mixed growing medium of 4 parts leaf mold, 4 parts garden soil, and 2 parts river sand.
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Pest and Disease Control Methods During Zinnia Cultivation
Zinnia white star disease Symptoms: The disease occurs on leaves. Initially small dark brown spots appear, which later develop into lesions with dark brown margins and grayish-white centers, 2 to 4 mm in diameter. It mostly occurs on lower leaves, and in severe cases the leaves curl and wither. The surface of the lesions bears dark green mold-like growth. Pathogen Ce
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